Fig 10. Changes in leaf nutrient contents with tree height.
Data from plants grown under experimental conditions or in pots were excluded. Regression lines are shown where they are significant (P < 0.05).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.